13151056 has 10 divisors (see below), whose sum is σ = 25480202. Its totient is φ = 6575520.

The previous prime is 13151029. The next prime is 13151057. The reversal of 13151056 is 65015131.

It can be written as a sum of positive squares in only one way, i.e., 13104400 + 46656 = 3620^2 + 216^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13151057) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 410955 + ... + 410986.

Almost surely, 2^13151056 is an apocalyptic number.

13151056 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

13151056 is a deficient number, since it is larger than the sum of its proper divisors (12329146).

13151056 is an equidigital number, since it uses as much as digits as its factorization.

13151056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 821949 (or 821943 counting only the distinct ones).

The product of its (nonzero) digits is 450, while the sum is 22.

The square root of 13151056 is about 3626.4384732131. The cubic root of 13151056 is about 236.0406901017.

Adding to 13151056 its reverse (65015131), we get a palindrome (78166187).

The spelling of 13151056 in words is "thirteen million, one hundred fifty-one thousand, fifty-six".