13520494 has 8 divisors (see below), whose sum is σ = 21840840. Its totient is φ = 6240216.

The previous prime is 13520483. The next prime is 13520497. The reversal of 13520494 is 49402531.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13520497) 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, 259984 + ... + 260035.

It is an arithmetic number, because the mean of its divisors is an integer number (2730105).

Almost surely, 2^13520494 is an apocalyptic number.

13520494 is a deficient number, since it is larger than the sum of its proper divisors (8320346).

13520494 is a wasteful number, since it uses less digits than its factorization.

13520494 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 520034.

The product of its (nonzero) digits is 4320, while the sum is 28.

The square root of 13520494 is about 3677.0224367007. The cubic root of 13520494 is about 238.2305864950.

The spelling of 13520494 in words is "thirteen million, five hundred twenty thousand, four hundred ninety-four".