13730554 has 4 divisors (see below), whose sum is σ = 20595834. Its totient is φ = 6865276.

The previous prime is 13730537. The next prime is 13730569. The reversal of 13730554 is 45503731.

13730554 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 10017225 + 3713329 = 3165^2 + 1927^2 .

It is a super-2 number, since 2×13730554² = 377056226293832, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3432637 + ... + 3432640.

Almost surely, 2^13730554 is an apocalyptic number.

13730554 is a deficient number, since it is larger than the sum of its proper divisors (6865280).

13730554 is an equidigital number, since it uses as much as digits as its factorization.

13730554 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6865279.

The product of its (nonzero) digits is 6300, while the sum is 28.

The square root of 13730554 is about 3705.4762177081. The cubic root of 13730554 is about 239.4580014483.

The spelling of 13730554 in words is "thirteen million, seven hundred thirty thousand, five hundred fifty-four".