13740448 has 12 divisors (see below), whose sum is σ = 27051570. Its totient is φ = 6870208.

The previous prime is 13740421. The next prime is 13740449. The reversal of 13740448 is 84404731.

It can be written as a sum of positive squares in only one way, i.e., 8596624 + 5143824 = 2932^2 + 2268^2 .

It is a super-2 number, since 2×13740448² = 377599822481408, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (13740449) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 214663 + ... + 214726.

Almost surely, 2^13740448 is an apocalyptic number.

It is an amenable number.

13740448 is a deficient number, since it is larger than the sum of its proper divisors (13311122).

13740448 is an equidigital number, since it uses as much as digits as its factorization.

13740448 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 429399 (or 429391 counting only the distinct ones).

The product of its (nonzero) digits is 10752, while the sum is 31.

The square root of 13740448 is about 3706.8110283639. The cubic root of 13740448 is about 239.5155040717.

The spelling of 13740448 in words is "thirteen million, seven hundred forty thousand, four hundred forty-eight".