11774869 has 2 divisors, whose sum is σ = 11774870. Its totient is φ = 11774868.

The previous prime is 11774849. The next prime is 11774879. The reversal of 11774869 is 96847711.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10640644 + 1134225 = 3262^2 + 1065^2 .

It is a cyclic number.

It is not a de Polignac number, because 11774869 - 2⁵ = 11774837 is a prime.

It is a super-2 number, since 2×11774869² = 277295079934322, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11774809) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5887434 + 5887435.

It is an arithmetic number, because the mean of its divisors is an integer number (5887435).

Almost surely, 2^11774869 is an apocalyptic number.

It is an amenable number.

11774869 is a deficient number, since it is larger than the sum of its proper divisors (1).

11774869 is an equidigital number, since it uses as much as digits as its factorization.

11774869 is an evil number, because the sum of its binary digits is even.

The product of its digits is 84672, while the sum is 43.

The square root of 11774869 is about 3431.4528992833. The cubic root of 11774869 is about 227.5020746097.

The spelling of 11774869 in words is "eleven million, seven hundred seventy-four thousand, eight hundred sixty-nine".