12633722 has 4 divisors (see below), whose sum is σ = 18950586. Its totient is φ = 6316860.

The previous prime is 12633713. The next prime is 12633743. The reversal of 12633722 is 22733621.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 8637721 + 3996001 = 2939^2 + 1999^2 .

It is a super-2 number, since 2×12633722² = 319221863146568, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 12633691 and 12633700.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 3158429 + ... + 3158432.

Almost surely, 2^12633722 is an apocalyptic number.

12633722 is a deficient number, since it is larger than the sum of its proper divisors (6316864).

12633722 is an equidigital number, since it uses as much as digits as its factorization.

12633722 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6316863.

The product of its digits is 3024, while the sum is 26.

The square root of 12633722 is about 3554.3947445381. The cubic root of 12633722 is about 232.9040847456.

The spelling of 12633722 in words is "twelve million, six hundred thirty-three thousand, seven hundred twenty-two".