13012269 has 4 divisors (see below), whose sum is σ = 17349696. Its totient is φ = 8674844.

The previous prime is 13012261. The next prime is 13012291. The reversal of 13012269 is 96221031.

13012269 is digitally balanced in base 2, base 3 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 13012269 - 2³ = 13012261 is a prime.

It is a super-2 number, since 2×13012269² = 338638289056722, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13012261) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2168709 + ... + 2168714.

It is an arithmetic number, because the mean of its divisors is an integer number (4337424).

Almost surely, 2^13012269 is an apocalyptic number.

It is an amenable number.

13012269 is a deficient number, since it is larger than the sum of its proper divisors (4337427).

13012269 is an equidigital number, since it uses as much as digits as its factorization.

13012269 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4337426.

The product of its (nonzero) digits is 648, while the sum is 24.

The square root of 13012269 is about 3607.2522783970. The cubic root of 13012269 is about 235.2074160915.

It can be divided in two parts, 1301 and 2269, that added together give a triangular number (3570 = T₈₄).

The spelling of 13012269 in words is "thirteen million, twelve thousand, two hundred sixty-nine".