12465145 has 16 divisors (see below), whose sum is σ = 18649728. Its totient is φ = 7770240.

The previous prime is 12465139. The next prime is 12465151. The reversal of 12465145 is 54156421.

It is an interprime number because it is at equal distance from previous prime (12465139) and next prime (12465151).

It is not a de Polignac number, because 12465145 - 2¹⁹ = 11940857 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15804 + ... + 16573.

It is an arithmetic number, because the mean of its divisors is an integer number (1165608).

Almost surely, 2^12465145 is an apocalyptic number.

It is an amenable number.

12465145 is a deficient number, since it is larger than the sum of its proper divisors (6184583).

12465145 is a wasteful number, since it uses less digits than its factorization.

12465145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32400.

The product of its digits is 4800, while the sum is 28.

The square root of 12465145 is about 3530.6012235878. The cubic root of 12465145 is about 231.8635307691.

The spelling of 12465145 in words is "twelve million, four hundred sixty-five thousand, one hundred forty-five".