13520994 has 8 divisors (see below), whose sum is σ = 27042000. Its totient is φ = 4506996.

The previous prime is 13520981. The next prime is 13520999. The reversal of 13520994 is 49902531.

It is a sphenic number, since it is the product of 3 distinct primes.

13520994 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (13520999) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1126744 + ... + 1126755.

It is an arithmetic number, because the mean of its divisors is an integer number (3380250).

Almost surely, 2^13520994 is an apocalyptic number.

13520994 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

13520994 is a wasteful number, since it uses less digits than its factorization.

13520994 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2253504.

The product of its (nonzero) digits is 9720, while the sum is 33.

The square root of 13520994 is about 3677.0904258666. The cubic root of 13520994 is about 238.2335231191.

The spelling of 13520994 in words is "thirteen million, five hundred twenty thousand, nine hundred ninety-four".