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13074630 = 235974493
BaseRepresentation
bin110001111000…
…000011000110
3220121021000120
4301320003012
511321342010
61144122410
7216063312
oct61700306
926537016
1013074630
117420188
124466406
13292a18a
141a44b42
151233e70
hexc780c6

13074630 has 32 divisors (see below), whose sum is σ = 31709664. Its totient is φ = 3449856.

The previous prime is 13074629. The next prime is 13074631. The reversal of 13074630 is 3647031.

It is an interprime number because it is at equal distance from previous prime (13074629) and next prime (13074631).

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 13074630.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13074631) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 664 + ... + 5156.

It is an arithmetic number, because the mean of its divisors is an integer number (990927).

Almost surely, 213074630 is an apocalyptic number.

13074630 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13074630 is an abundant number, since it is smaller than the sum of its proper divisors (18635034).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13074630 is a wasteful number, since it uses less digits than its factorization.

13074630 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4600.

The product of its (nonzero) digits is 1512, while the sum is 24.

The square root of 13074630 is about 3615.8857835944. The cubic root of 13074630 is about 235.5825594841.

The spelling of 13074630 in words is "thirteen million, seventy-four thousand, six hundred thirty".

Divisors: 1 2 3 5 6 10 15 30 97 194 291 485 582 970 1455 2910 4493 8986 13479 22465 26958 44930 67395 134790 435821 871642 1307463 2179105 2614926 4358210 6537315 13074630