12449972 has 12 divisors (see below), whose sum is σ = 22490496. Its totient is φ = 6024120.

The previous prime is 12449963. The next prime is 12449977. The reversal of 12449972 is 27994421.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12449977) 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, 50078 + ... + 50325.

It is an arithmetic number, because the mean of its divisors is an integer number (1874208).

Almost surely, 2^12449972 is an apocalyptic number.

It is an amenable number.

12449972 is a deficient number, since it is larger than the sum of its proper divisors (10040524).

12449972 is a wasteful number, since it uses less digits than its factorization.

12449972 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100438 (or 100436 counting only the distinct ones).

The product of its digits is 36288, while the sum is 38.

The square root of 12449972 is about 3528.4517851318. The cubic root of 12449972 is about 231.7694151703.

The spelling of 12449972 in words is "twelve million, four hundred forty-nine thousand, nine hundred seventy-two".