12415149 has 6 divisors (see below), whose sum is σ = 17933006. Its totient is φ = 8276760.

The previous prime is 12415141. The next prime is 12415163. The reversal of 12415149 is 94151421.

It can be written as a sum of positive squares in only one way, i.e., 6215049 + 6200100 = 2493^2 + 2490^2 .

It is not a de Polignac number, because 12415149 - 2³ = 12415141 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12415141) 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, 689722 + ... + 689739.

Almost surely, 2^12415149 is an apocalyptic number.

It is an amenable number.

12415149 is a deficient number, since it is larger than the sum of its proper divisors (5517857).

12415149 is a wasteful number, since it uses less digits than its factorization.

12415149 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1379467 (or 1379464 counting only the distinct ones).

The product of its digits is 1440, while the sum is 27.

The square root of 12415149 is about 3523.5137292197. The cubic root of 12415149 is about 231.5531243779.

The spelling of 12415149 in words is "twelve million, four hundred fifteen thousand, one hundred forty-nine".