12245945 has 8 divisors (see below), whose sum is σ = 14713920. Its totient is φ = 9784240.

The previous prime is 12245941. The next prime is 12245951. The reversal of 12245945 is 54954221.

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

It is not a de Polignac number, because 12245945 - 2² = 12245941 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12245941) 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, 7010 + ... + 8580.

It is an arithmetic number, because the mean of its divisors is an integer number (1839240).

Almost surely, 2^12245945 is an apocalyptic number.

It is an amenable number.

12245945 is a deficient number, since it is larger than the sum of its proper divisors (2467975).

12245945 is a wasteful number, since it uses less digits than its factorization.

12245945 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3135.

The product of its digits is 14400, while the sum is 32.

The square root of 12245945 is about 3499.4206663389. The cubic root of 12245945 is about 230.4963759874.

The spelling of 12245945 in words is "twelve million, two hundred forty-five thousand, nine hundred forty-five".