11779245 has 12 divisors (see below), whose sum is σ = 20417436. Its totient is φ = 6282240.

The previous prime is 11779237. The next prime is 11779253. The reversal of 11779245 is 54297711.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (11779237) and next prime (11779253).

It can be written as a sum of positive squares in 2 ways, for example, as 2082249 + 9696996 = 1443^2 + 3114^2 .

It is not a de Polignac number, because 11779245 - 2³ = 11779237 is a prime.

It is a super-2 number, since 2×11779245² = 277501225540050, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 130836 + ... + 130925.

It is an arithmetic number, because the mean of its divisors is an integer number (1701453).

Almost surely, 2^11779245 is an apocalyptic number.

11779245 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

11779245 is a deficient number, since it is larger than the sum of its proper divisors (8638191).

11779245 is a wasteful number, since it uses less digits than its factorization.

11779245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 261772 (or 261769 counting only the distinct ones).

The product of its digits is 17640, while the sum is 36.

The square root of 11779245 is about 3432.0904708355. The cubic root of 11779245 is about 227.5302539969.

The spelling of 11779245 in words is "eleven million, seven hundred seventy-nine thousand, two hundred forty-five".