13156922 has 4 divisors (see below), whose sum is σ = 19735386. Its totient is φ = 6578460.

The previous prime is 13156921. The next prime is 13156933. The reversal of 13156922 is 22965131.

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

It can be written as a sum of positive squares in only one way, i.e., 11566801 + 1590121 = 3401^2 + 1261^2 .

It is not an unprimeable number, because it can be changed into a prime (13156921) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3289229 + ... + 3289232.

Almost surely, 2^13156922 is an apocalyptic number.

13156922 is a deficient number, since it is larger than the sum of its proper divisors (6578464).

13156922 is an equidigital number, since it uses as much as digits as its factorization.

13156922 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6578463.

The product of its digits is 3240, while the sum is 29.

The square root of 13156922 is about 3627.2471655513. The cubic root of 13156922 is about 236.0757800309.

The spelling of 13156922 in words is "thirteen million, one hundred fifty-six thousand, nine hundred twenty-two".