12625019 has 12 divisors (see below), whose sum is σ = 14025648. Its totient is φ = 11354640.

The previous prime is 12624991. The next prime is 12625027. The reversal of 12625019 is 91052621.

It is a de Polignac number, because none of the positive numbers 2^k-12625019 is a prime.

It is a super-2 number, since 2×12625019² = 318782209500722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12625079) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11957 + ... + 12969.

It is an arithmetic number, because the mean of its divisors is an integer number (1168804).

Almost surely, 2^12625019 is an apocalyptic number.

12625019 is a deficient number, since it is larger than the sum of its proper divisors (1400629).

12625019 is a wasteful number, since it uses less digits than its factorization.

12625019 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1138 (or 1127 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 26.

The square root of 12625019 is about 3553.1702745576. The cubic root of 12625019 is about 232.8505921996.

The spelling of 12625019 in words is "twelve million, six hundred twenty-five thousand, nineteen".