14972861 has 6 divisors (see below), whose sum is σ = 15121050. Its totient is φ = 14825456.

The previous prime is 14972857. The next prime is 14972887. The reversal of 14972861 is 16827941.

It can be written as a sum of positive squares in 3 ways, for example, as 1976836 + 12996025 = 1406^2 + 3605^2 .

It is not a de Polignac number, because 14972861 - 2² = 14972857 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14972821) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 47075 + ... + 47391.

It is an arithmetic number, because the mean of its divisors is an integer number (2520175).

Almost surely, 2^14972861 is an apocalyptic number.

It is an amenable number.

14972861 is a deficient number, since it is larger than the sum of its proper divisors (148189).

14972861 is an frugal number, since it uses more digits than its factorization.

14972861 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 783 (or 466 counting only the distinct ones).

The product of its digits is 24192, while the sum is 38.

The square root of 14972861 is about 3869.4781301876. The cubic root of 14972861 is about 246.4723831327.

The spelling of 14972861 in words is "fourteen million, nine hundred seventy-two thousand, eight hundred sixty-one".