12137465 has 4 divisors (see below), whose sum is σ = 14564964. Its totient is φ = 9709968.

The previous prime is 12137459. The next prime is 12137467. The reversal of 12137465 is 56473121.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 8185321 + 3952144 = 2861^2 + 1988^2 .

It is a cyclic number.

It is not a de Polignac number, because 12137465 - 2⁴ = 12137449 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12137467) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1213742 + ... + 1213751.

It is an arithmetic number, because the mean of its divisors is an integer number (3641241).

Almost surely, 2^12137465 is an apocalyptic number.

It is an amenable number.

12137465 is a deficient number, since it is larger than the sum of its proper divisors (2427499).

12137465 is an equidigital number, since it uses as much as digits as its factorization.

12137465 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2427498.

The product of its digits is 5040, while the sum is 29.

The square root of 12137465 is about 3483.8864792068. The cubic root of 12137465 is about 229.8137433478.

The spelling of 12137465 in words is "twelve million, one hundred thirty-seven thousand, four hundred sixty-five".