13149213 has 16 divisors (see below), whose sum is σ = 21858816. Its totient is φ = 6830640.

The previous prime is 13149203. The next prime is 13149229. The reversal of 13149213 is 31294131.

It is not a de Polignac number, because 13149213 - 2⁵ = 13149181 is a prime.

It is a super-3 number, since 3×13149213³ (a number of 22 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13149203) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 28231 + ... + 28692.

It is an arithmetic number, because the mean of its divisors is an integer number (1366176).

Almost surely, 2^13149213 is an apocalyptic number.

It is an amenable number.

13149213 is a deficient number, since it is larger than the sum of its proper divisors (8709603).

13149213 is a wasteful number, since it uses less digits than its factorization.

13149213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56944.

The product of its digits is 648, while the sum is 24.

The square root of 13149213 is about 3626.1843582477. The cubic root of 13149213 is about 236.0296632732.

The spelling of 13149213 in words is "thirteen million, one hundred forty-nine thousand, two hundred thirteen".