13000776 has 16 divisors (see below), whose sum is σ = 32502000. Its totient is φ = 4333584.

The previous prime is 13000753. The next prime is 13000781. The reversal of 13000776 is 67700031.

It is a Harshad number since it is a multiple of its sum of digits (24), and also a Moran number because the ratio is a prime number: 541699 = 13000776 / (1 + 3 + 0 + 0 + 0 + 7 + 7 + 6).

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, 270826 + ... + 270873.

It is an arithmetic number, because the mean of its divisors is an integer number (2031375).

Almost surely, 2^13000776 is an apocalyptic number.

It is an amenable number.

13000776 is an abundant number, since it is smaller than the sum of its proper divisors (19501224).

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

13000776 is a wasteful number, since it uses less digits than its factorization.

13000776 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 541708 (or 541704 counting only the distinct ones).

The product of its (nonzero) digits is 882, while the sum is 24.

The square root of 13000776 is about 3605.6588856962. The cubic root of 13000776 is about 235.1381472321.

The spelling of 13000776 in words is "thirteen million, seven hundred seventy-six", and thus it is an aban number.