11972763 has 12 divisors (see below), whose sum is σ = 18866328. Its totient is φ = 7256160.

The previous prime is 11972761. The next prime is 11972767. The reversal of 11972763 is 36727911.

It is a happy number.

It is not a de Polignac number, because 11972763 - 2¹ = 11972761 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11972761) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 60370 + ... + 60567.

It is an arithmetic number, because the mean of its divisors is an integer number (1572194).

Almost surely, 2^11972763 is an apocalyptic number.

11972763 is a deficient number, since it is larger than the sum of its proper divisors (6893565).

11972763 is a wasteful number, since it uses less digits than its factorization.

11972763 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 120954 (or 120951 counting only the distinct ones).

The product of its digits is 15876, while the sum is 36.

The square root of 11972763 is about 3460.1680595023. The cubic root of 11972763 is about 228.7695029506.

The spelling of 11972763 in words is "eleven million, nine hundred seventy-two thousand, seven hundred sixty-three".