13751226 has 12 divisors (see below), whose sum is σ = 29794362. Its totient is φ = 4583736.

The previous prime is 13751207. The next prime is 13751233. The reversal of 13751226 is 62215731.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 7017201 + 6734025 = 2649^2 + 2595^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 13751226.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 381961 + ... + 381996.

Almost surely, 2^13751226 is an apocalyptic number.

13751226 is an abundant number, since it is smaller than the sum of its proper divisors (16043136).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13751226 is a wasteful number, since it uses less digits than its factorization.

13751226 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 763965 (or 763962 counting only the distinct ones).

The product of its digits is 2520, while the sum is 27.

The square root of 13751226 is about 3708.2645536693. The cubic root of 13751226 is about 239.5781129818.

Adding to 13751226 its reverse (62215731), we get a palindrome (75966957).

It can be divided in two parts, 1375 and 1226, that added together give a square (2601 = 51²).

The spelling of 13751226 in words is "thirteen million, seven hundred fifty-one thousand, two hundred twenty-six".