11864738 has 4 divisors (see below), whose sum is σ = 17797110. Its totient is φ = 5932368.

The previous prime is 11864737. The next prime is 11864761. The reversal of 11864738 is 83746811.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 83746811 = 17 ⋅4926283.

It can be written as a sum of positive squares in only one way, i.e., 11744329 + 120409 = 3427^2 + 347^2 .

It is not an unprimeable number, because it can be changed into a prime (11864737) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2966183 + ... + 2966186.

Almost surely, 2^11864738 is an apocalyptic number.

11864738 is a deficient number, since it is larger than the sum of its proper divisors (5932372).

11864738 is an equidigital number, since it uses as much as digits as its factorization.

11864738 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5932371.

The product of its digits is 32256, while the sum is 38.

The square root of 11864738 is about 3444.5228987481. The cubic root of 11864738 is about 228.0793942235.

The spelling of 11864738 in words is "eleven million, eight hundred sixty-four thousand, seven hundred thirty-eight".