13033149 has 4 divisors (see below), whose sum is σ = 17377536. Its totient is φ = 8688764.

The previous prime is 13033109. The next prime is 13033187. The reversal of 13033149 is 94133031.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 13033149 - 2¹¹ = 13031101 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13033109) 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, 2172189 + ... + 2172194.

It is an arithmetic number, because the mean of its divisors is an integer number (4344384).

Almost surely, 2^13033149 is an apocalyptic number.

It is an amenable number.

13033149 is a deficient number, since it is larger than the sum of its proper divisors (4344387).

13033149 is an equidigital number, since it uses as much as digits as its factorization.

13033149 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4344386.

The product of its (nonzero) digits is 972, while the sum is 24.

The square root of 13033149 is about 3610.1452879351. The cubic root of 13033149 is about 235.3331565580. Note that the first 3 decimals are identical.

The spelling of 13033149 in words is "thirteen million, thirty-three thousand, one hundred forty-nine".