13278074 has 8 divisors (see below), whose sum is σ = 20965440. Its totient is φ = 6289596.

The previous prime is 13278073. The next prime is 13278103. The reversal of 13278074 is 47087231.

It is a happy number.

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

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 13278074.

It is not an unprimeable number, because it can be changed into a prime (13278073) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 174674 + ... + 174749.

It is an arithmetic number, because the mean of its divisors is an integer number (2620680).

Almost surely, 2^13278074 is an apocalyptic number.

13278074 is a deficient number, since it is larger than the sum of its proper divisors (7687366).

13278074 is a wasteful number, since it uses less digits than its factorization.

13278074 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 349444.

The product of its (nonzero) digits is 9408, while the sum is 32.

The square root of 13278074 is about 3643.9091646198. The cubic root of 13278074 is about 236.7981807787.

The spelling of 13278074 in words is "thirteen million, two hundred seventy-eight thousand, seventy-four".