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13257414 = 2325091447
BaseRepresentation
bin110010100100…
…101011000110
3220221112202100
4302210223012
511343214124
61152052530
7220454232
oct62445306
926845670
1013257414
117535545
124534146
132992431
141a915c2
15126d1c9
hexca4ac6

13257414 has 24 divisors (see below), whose sum is σ = 28800720. Its totient is φ = 4407408.

The previous prime is 13257401. The next prime is 13257443. The reversal of 13257414 is 41475231.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8439 + ... + 9885.

It is an arithmetic number, because the mean of its divisors is an integer number (1200030).

Almost surely, 213257414 is an apocalyptic number.

13257414 is an abundant number, since it is smaller than the sum of its proper divisors (15543306).

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

13257414 is a wasteful number, since it uses less digits than its factorization.

13257414 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1964 (or 1961 counting only the distinct ones).

The product of its digits is 3360, while the sum is 27.

The square root of 13257414 is about 3641.0731934417. The cubic root of 13257414 is about 236.6753017634.

The spelling of 13257414 in words is "thirteen million, two hundred fifty-seven thousand, four hundred fourteen".

Divisors: 1 2 3 6 9 18 509 1018 1447 1527 2894 3054 4341 4581 8682 9162 13023 26046 736523 1473046 2209569 4419138 6628707 13257414