13445280703 has 4 divisors (see below), whose sum is σ = 13570937640. Its totient is φ = 13319623768.

The previous prime is 13445280679. The next prime is 13445280749. The reversal of 13445280703 is 30708254431.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13445280703 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13445280503) 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, 62828308 + ... + 62828521.

It is an arithmetic number, because the mean of its divisors is an integer number (3392734410).

Almost surely, 2^13445280703 is an apocalyptic number.

13445280703 is a deficient number, since it is larger than the sum of its proper divisors (125656937).

13445280703 is a wasteful number, since it uses less digits than its factorization.

13445280703 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 125656936.

The product of its (nonzero) digits is 80640, while the sum is 37.

The spelling of 13445280703 in words is "thirteen billion, four hundred forty-five million, two hundred eighty thousand, seven hundred three".