13261268 has 6 divisors (see below), whose sum is σ = 23207226. Its totient is φ = 6630632.

The previous prime is 13261231. The next prime is 13261277. The reversal of 13261268 is 86216231.

13261268 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 6646084 + 6615184 = 2578^2 + 2572^2 .

It is a super-2 number, since 2×13261268² = 351722457935648, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 13261268.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1657655 + ... + 1657662.

It is an arithmetic number, because the mean of its divisors is an integer number (3867871).

Almost surely, 2^13261268 is an apocalyptic number.

It is an amenable number.

13261268 is a deficient number, since it is larger than the sum of its proper divisors (9945958).

13261268 is a wasteful number, since it uses less digits than its factorization.

13261268 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3315321 (or 3315319 counting only the distinct ones).

The product of its digits is 3456, while the sum is 29.

The square root of 13261268 is about 3641.6023945511. The cubic root of 13261268 is about 236.6982337932.

Adding to 13261268 its reverse (86216231), we get a palindrome (99477499).

The spelling of 13261268 in words is "thirteen million, two hundred sixty-one thousand, two hundred sixty-eight".