11719631 has 8 divisors (see below), whose sum is σ = 14611584. Its totient is φ = 9132120.

The previous prime is 11719621. The next prime is 11719633. The reversal of 11719631 is 13691711.

11719631 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 11719631 - 2¹⁰ = 11718607 is a prime.

It is a super-2 number, since 2×11719631² = 274699501552322, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11719594 and 11719603.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11719633) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 76025 + ... + 76178.

It is an arithmetic number, because the mean of its divisors is an integer number (1826448).

Almost surely, 2^11719631 is an apocalyptic number.

11719631 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

11719631 is a deficient number, since it is larger than the sum of its proper divisors (2891953).

11719631 is a wasteful number, since it uses less digits than its factorization.

11719631 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 152221.

The product of its digits is 1134, while the sum is 29.

The square root of 11719631 is about 3423.3946602751. The cubic root of 11719631 is about 227.1457659907.

The spelling of 11719631 in words is "eleven million, seven hundred nineteen thousand, six hundred thirty-one".