12477946 has 48 divisors (see below), whose sum is σ = 22399200. Its totient is φ = 5189184.

The previous prime is 12477931. The next prime is 12477961. The reversal of 12477946 is 64977421.

It is an interprime number because it is at equal distance from previous prime (12477931) and next prime (12477961).

It is a hoax number, since the sum of its digits (40) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 12477899 and 12477908.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 186205 + ... + 186271.

It is an arithmetic number, because the mean of its divisors is an integer number (466650).

Almost surely, 2^12477946 is an apocalyptic number.

12477946 is a deficient number, since it is larger than the sum of its proper divisors (9921254).

12477946 is a wasteful number, since it uses less digits than its factorization.

12477946 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 143 (or 130 counting only the distinct ones).

The product of its digits is 84672, while the sum is 40.

The square root of 12477946 is about 3532.4136224400. The cubic root of 12477946 is about 231.9428738658.

The spelling of 12477946 in words is "twelve million, four hundred seventy-seven thousand, nine hundred forty-six".