13122394 has 4 divisors (see below), whose sum is σ = 19683594. Its totient is φ = 6561196.

The previous prime is 13122379. The next prime is 13122409. The reversal of 13122394 is 49322131.

13122394 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (13122379) and next prime (13122409).

It can be written as a sum of positive squares in only one way, i.e., 8555625 + 4566769 = 2925^2 + 2137^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3280597 + ... + 3280600.

Almost surely, 2^13122394 is an apocalyptic number.

13122394 is a deficient number, since it is larger than the sum of its proper divisors (6561200).

13122394 is an equidigital number, since it uses as much as digits as its factorization.

13122394 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6561199.

The product of its digits is 1296, while the sum is 25.

The square root of 13122394 is about 3622.4845065231. The cubic root of 13122394 is about 235.8690861596.

The spelling of 13122394 in words is "thirteen million, one hundred twenty-two thousand, three hundred ninety-four".