13771442 has 8 divisors (see below), whose sum is σ = 20674332. Its totient is φ = 6880000.

The previous prime is 13771427. The next prime is 13771477. The reversal of 13771442 is 24417731.

It can be written as a sum of positive squares in 2 ways, for example, as 13388281 + 383161 = 3659^2 + 619^2 .

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

It is a super-2 number, since 2×13771442² = 379305229518728, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1442 + ... + 5442.

Almost surely, 2^13771442 is an apocalyptic number.

13771442 is a deficient number, since it is larger than the sum of its proper divisors (6902890).

13771442 is a wasteful number, since it uses less digits than its factorization.

13771442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5724.

The product of its digits is 4704, while the sum is 29.

The square root of 13771442 is about 3710.9893559535. The cubic root of 13771442 is about 239.6954586315.

The spelling of 13771442 in words is "thirteen million, seven hundred seventy-one thousand, four hundred forty-two".