1273976496 has 240 divisors, whose sum is σ = 4105570560. Its totient is φ = 365783040.

The previous prime is 1273976453. The next prime is 1273976503. The reversal of 1273976496 is 6946793721.

It is a happy number.

1273976496 is a `hidden beast` number, since 12 + 73 + 9 + 76 + 496 = 666.

It is a super-2 number, since 2×1273976496² = 3246032224720876032, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1682550 + ... + 1683306.

It is an arithmetic number, because the mean of its divisors is an integer number (17106544).

Almost surely, 2^1273976496 is an apocalyptic number.

1273976496 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1273976496, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2052785280).

1273976496 is an abundant number, since it is smaller than the sum of its proper divisors (2831594064).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1273976496 is a wasteful number, since it uses less digits than its factorization.

1273976496 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 844 (or 835 counting only the distinct ones).

The product of its digits is 3429216, while the sum is 54.

The square root of 1273976496 is about 35692.8073426566. The cubic root of 1273976496 is about 1084.0612112147.

The spelling of 1273976496 in words is "one billion, two hundred seventy-three million, nine hundred seventy-six thousand, four hundred ninety-six".