13385146 has 4 divisors (see below), whose sum is σ = 20077722. Its totient is φ = 6692572.

The previous prime is 13385123. The next prime is 13385167. The reversal of 13385146 is 64158331.

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., 6702921 + 6682225 = 2589^2 + 2585^2 .

It is a super-3 number, since 3×13385146³ (a number of 22 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3346285 + ... + 3346288.

Almost surely, 2^13385146 is an apocalyptic number.

13385146 is a deficient number, since it is larger than the sum of its proper divisors (6692576).

13385146 is an equidigital number, since it uses as much as digits as its factorization.

13385146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6692575.

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

The square root of 13385146 is about 3658.5715791822. The cubic root of 13385146 is about 237.4329768402.

It can be divided in two parts, 13385 and 146, that added together give a palindrome (13531).

The spelling of 13385146 in words is "thirteen million, three hundred eighty-five thousand, one hundred forty-six".