13445655 has 16 divisors (see below), whose sum is σ = 21737184. Its totient is φ = 7096320.

The previous prime is 13445633. The next prime is 13445659. The reversal of 13445655 is 55654431.

13445655 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 13445655 - 2⁷ = 13445527 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13445659) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3166 + ... + 6075.

It is an arithmetic number, because the mean of its divisors is an integer number (1358574).

Almost surely, 2^13445655 is an apocalyptic number.

13445655 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

13445655 is a deficient number, since it is larger than the sum of its proper divisors (8291529).

13445655 is an equidigital number, since it uses as much as digits as its factorization.

13445655 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9346.

The product of its digits is 36000, while the sum is 33.

The square root of 13445655 is about 3666.8317387085. The cubic root of 13445655 is about 237.7902195445.

The spelling of 13445655 in words is "thirteen million, four hundred forty-five thousand, six hundred fifty-five".