12149365 has 16 divisors (see below), whose sum is σ = 15215616. Its totient is φ = 9302400.

The previous prime is 12149363. The next prime is 12149377. The reversal of 12149365 is 56394121.

It is not a de Polignac number, because 12149365 - 2¹ = 12149363 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12149363) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15585 + ... + 16345.

It is an arithmetic number, because the mean of its divisors is an integer number (950976).

Almost surely, 2^12149365 is an apocalyptic number.

It is an amenable number.

12149365 is a deficient number, since it is larger than the sum of its proper divisors (3066251).

12149365 is a wasteful number, since it uses less digits than its factorization.

12149365 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 900.

The product of its digits is 6480, while the sum is 31.

The square root of 12149365 is about 3485.5939235660. The cubic root of 12149365 is about 229.8888246566. Note that the first 4 decimals are identical.

The spelling of 12149365 in words is "twelve million, one hundred forty-nine thousand, three hundred sixty-five".