13000356 has 36 divisors (see below), whose sum is σ = 32991504. Its totient is φ = 4316400.

The previous prime is 13000349. The next prime is 13000367. The reversal of 13000356 is 65300031.

13000356 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-2 number, since 2×13000356² = 338018512253472, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11371 + ... + 12461.

Almost surely, 2^13000356 is an apocalyptic number.

It is an amenable number.

13000356 is an abundant number, since it is smaller than the sum of its proper divisors (19991148).

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

13000356 is a wasteful number, since it uses less digits than its factorization.

13000356 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1432 (or 1427 counting only the distinct ones).

The product of its (nonzero) digits is 270, while the sum is 18.

The square root of 13000356 is about 3605.6006434435. The cubic root of 13000356 is about 235.1356150990.

Adding to 13000356 its reverse (65300031), we get a palindrome (78300387).

The spelling of 13000356 in words is "thirteen million, three hundred fifty-six", and thus it is an aban number.