12545031 has 8 divisors (see below), whose sum is σ = 17710704. Its totient is φ = 7871360.

The previous prime is 12544999. The next prime is 12545041. The reversal of 12545031 is 13054521.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12545031 - 2⁵ = 12544999 is a prime.

It is a super-2 number, since 2×12545031² = 314755605581922, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 12544989 and 12545007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12545041) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 122940 + ... + 123041.

It is an arithmetic number, because the mean of its divisors is an integer number (2213838).

Almost surely, 2^12545031 is an apocalyptic number.

12545031 is a deficient number, since it is larger than the sum of its proper divisors (5165673).

12545031 is a wasteful number, since it uses less digits than its factorization.

12545031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 246001.

The product of its (nonzero) digits is 600, while the sum is 21.

The square root of 12545031 is about 3541.8965258742. The cubic root of 12545031 is about 232.3577948762.

Adding to 12545031 its reverse (13054521), we get a palindrome (25599552).

The spelling of 12545031 in words is "twelve million, five hundred forty-five thousand, thirty-one".