13507149 has 8 divisors (see below), whose sum is σ = 18080640. Its totient is φ = 8969216.

The previous prime is 13507139. The next prime is 13507201. The reversal of 13507149 is 94170531.

13507149 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 13507149 - 2⁸ = 13506893 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13507139) 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, 7989 + ... + 9530.

It is an arithmetic number, because the mean of its divisors is an integer number (2260080).

Almost surely, 2^13507149 is an apocalyptic number.

It is an amenable number.

13507149 is a deficient number, since it is larger than the sum of its proper divisors (4573491).

13507149 is a wasteful number, since it uses less digits than its factorization.

13507149 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17779.

The product of its (nonzero) digits is 3780, while the sum is 30.

The square root of 13507149 is about 3675.2073410898. The cubic root of 13507149 is about 238.1521812305.

The spelling of 13507149 in words is "thirteen million, five hundred seven thousand, one hundred forty-nine".