11972630 has 8 divisors (see below), whose sum is σ = 21550752. Its totient is φ = 4789048.

The previous prime is 11972629. The next prime is 11972633. The reversal of 11972630 is 3627911.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 11972593 and 11972602.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11972633) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 598622 + ... + 598641.

It is an arithmetic number, because the mean of its divisors is an integer number (2693844).

Almost surely, 2^11972630 is an apocalyptic number.

11972630 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11972630 is a deficient number, since it is larger than the sum of its proper divisors (9578122).

11972630 is a wasteful number, since it uses less digits than its factorization.

11972630 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1197270.

The product of its (nonzero) digits is 2268, while the sum is 29.

The square root of 11972630 is about 3460.1488407293. The cubic root of 11972630 is about 228.7686558486.

The spelling of 11972630 in words is "eleven million, nine hundred seventy-two thousand, six hundred thirty".