12508001 has 4 divisors (see below), whose sum is σ = 13645104. Its totient is φ = 11370900.

The previous prime is 12507997. The next prime is 12508003. The reversal of 12508001 is 10080521.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 10080521 = 11 ⋅916411.

It is a cyclic number.

It is not a de Polignac number, because 12508001 - 2² = 12507997 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12508003) 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, 568535 + ... + 568556.

It is an arithmetic number, because the mean of its divisors is an integer number (3411276).

Almost surely, 2^12508001 is an apocalyptic number.

12508001 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

12508001 is a deficient number, since it is larger than the sum of its proper divisors (1137103).

12508001 is a wasteful number, since it uses less digits than its factorization.

12508001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1137102.

The product of its (nonzero) digits is 80, while the sum is 17.

The square root of 12508001 is about 3536.6652371973. The cubic root of 12508001 is about 232.1289475892.

Adding to 12508001 its reverse (10080521), we get a palindrome (22588522).

The spelling of 12508001 in words is "twelve million, five hundred eight thousand, one".