13099772 has 24 divisors (see below), whose sum is σ = 26342400. Its totient is φ = 5583600.

The previous prime is 13099771. The next prime is 13099781. The reversal of 13099772 is 27799031.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13099771) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4397 + ... + 6747.

It is an arithmetic number, because the mean of its divisors is an integer number (1097600).

Almost surely, 2^13099772 is an apocalyptic number.

It is an amenable number.

13099772 is an abundant number, since it is smaller than the sum of its proper divisors (13242628).

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

13099772 is a wasteful number, since it uses less digits than its factorization.

13099772 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2561 (or 2559 counting only the distinct ones).

The product of its (nonzero) digits is 23814, while the sum is 38.

The square root of 13099772 is about 3619.3607170328. The cubic root of 13099772 is about 235.7334681315.

The spelling of 13099772 in words is "thirteen million, ninety-nine thousand, seven hundred seventy-two".