13164994 has 4 divisors (see below), whose sum is σ = 19747494. Its totient is φ = 6582496.

The previous prime is 13164989. The next prime is 13164997. The reversal of 13164994 is 49946131.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 49946131 = 367 ⋅136093.

It can be written as a sum of positive squares in only one way, i.e., 9381969 + 3783025 = 3063^2 + 1945^2 .

It is not an unprimeable number, because it can be changed into a prime (13164997) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3291247 + ... + 3291250.

Almost surely, 2^13164994 is an apocalyptic number.

13164994 is a deficient number, since it is larger than the sum of its proper divisors (6582500).

13164994 is an equidigital number, since it uses as much as digits as its factorization.

13164994 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6582499.

The product of its digits is 23328, while the sum is 37.

The square root of 13164994 is about 3628.3596844855. The cubic root of 13164994 is about 236.1240490237.

The spelling of 13164994 in words is "thirteen million, one hundred sixty-four thousand, nine hundred ninety-four".