1246876564 has 12 divisors (see below), whose sum is σ = 2202427584. Its totient is φ = 617611544.

The previous prime is 1246876549. The next prime is 1246876571. The reversal of 1246876564 is 4656786421.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1456204 + ... + 1457059.

It is an arithmetic number, because the mean of its divisors is an integer number (183535632).

Almost surely, 2^1246876564 is an apocalyptic number.

It is an amenable number.

1246876564 is a deficient number, since it is larger than the sum of its proper divisors (955551020).

1246876564 is a wasteful number, since it uses less digits than its factorization.

1246876564 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2913374 (or 2913372 counting only the distinct ones).

The product of its digits is 1935360, while the sum is 49.

The square root of 1246876564 is about 35311.1393755568. The cubic root of 1246876564 is about 1076.3193648084.

The spelling of 1246876564 in words is "one billion, two hundred forty-six million, eight hundred seventy-six thousand, five hundred sixty-four".