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13420412 = 2217197359
BaseRepresentation
bin110011001100…
…011101111100
3221020211100022
4303030131330
511413423122
61155351312
7222033365
oct63143574
927224308
1013420412
117636a55
1245b2538
132a1b695
141ad4b6c
1512a1642
hexccc77c

13420412 has 12 divisors (see below), whose sum is σ = 24867360. Its totient is φ = 6315456.

The previous prime is 13420397. The next prime is 13420453. The reversal of 13420412 is 21402431.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 98612 + ... + 98747.

It is an arithmetic number, because the mean of its divisors is an integer number (2072280).

Almost surely, 213420412 is an apocalyptic number.

It is an amenable number.

13420412 is a deficient number, since it is larger than the sum of its proper divisors (11446948).

13420412 is a wasteful number, since it uses less digits than its factorization.

13420412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 197380 (or 197378 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 13420412 is about 3663.3880493336. The cubic root of 13420412 is about 237.6413164517.

Adding to 13420412 its reverse (21402431), we get a palindrome (34822843).

The spelling of 13420412 in words is "thirteen million, four hundred twenty thousand, four hundred twelve".

Divisors: 1 2 4 17 34 68 197359 394718 789436 3355103 6710206 13420412