13158346 has 12 divisors (see below), whose sum is σ = 20634642. Its totient is φ = 6292616.

The previous prime is 13158307. The next prime is 13158349. The reversal of 13158346 is 64385131.

13158346 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 13039321 + 119025 = 3611^2 + 345^2 .

It is not an unprimeable number, because it can be changed into a prime (13158349) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5161 + ... + 7276.

Almost surely, 2^13158346 is an apocalyptic number.

13158346 is a deficient number, since it is larger than the sum of its proper divisors (7476296).

13158346 is a wasteful number, since it uses less digits than its factorization.

13158346 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12485 (or 12462 counting only the distinct ones).

The product of its digits is 8640, while the sum is 31.

The square root of 13158346 is about 3627.4434523504. The cubic root of 13158346 is about 236.0842967083.

The spelling of 13158346 in words is "thirteen million, one hundred fifty-eight thousand, three hundred forty-six".