11954749 has 2 divisors, whose sum is σ = 11954750. Its totient is φ = 11954748.

The previous prime is 11954741. The next prime is 11954753. The reversal of 11954749 is 94745911.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 9966649 + 1988100 = 3157^2 + 1410^2 .

It is a cyclic number.

It is not a de Polignac number, because 11954749 - 2³ = 11954741 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11954741) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5977374 + 5977375.

It is an arithmetic number, because the mean of its divisors is an integer number (5977375).

Almost surely, 2^11954749 is an apocalyptic number.

It is an amenable number.

11954749 is a deficient number, since it is larger than the sum of its proper divisors (1).

11954749 is an equidigital number, since it uses as much as digits as its factorization.

11954749 is an evil number, because the sum of its binary digits is even.

The product of its digits is 45360, while the sum is 40.

The square root of 11954749 is about 3457.5640268837. The cubic root of 11954749 is about 228.6547112250.

The spelling of 11954749 in words is "eleven million, nine hundred fifty-four thousand, seven hundred forty-nine".