13769231 has 8 divisors (see below), whose sum is σ = 15768480. Its totient is φ = 11778048.

The previous prime is 13769219. The next prime is 13769251. The reversal of 13769231 is 13296731.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13769231 is a prime.

It is a super-2 number, since 2×13769231² = 379183444662722, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13769251) by changing a digit.

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 in 7 ways as a sum of consecutive naturals, for example, 2255 + ... + 5711.

It is an arithmetic number, because the mean of its divisors is an integer number (1971060).

Almost surely, 2^13769231 is an apocalyptic number.

13769231 is a deficient number, since it is larger than the sum of its proper divisors (1999249).

13769231 is an equidigital number, since it uses as much as digits as its factorization.

13769231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4033.

The product of its digits is 6804, while the sum is 32.

The square root of 13769231 is about 3710.6914450005. The cubic root of 13769231 is about 239.6826302721.

The spelling of 13769231 in words is "thirteen million, seven hundred sixty-nine thousand, two hundred thirty-one".