12703345 has 8 divisors (see below), whose sum is σ = 15266664. Its totient is φ = 10147584.

The previous prime is 12703307. The next prime is 12703357. The reversal of 12703345 is 54330721.

12703345 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 1034289 + 11669056 = 1017^2 + 3416^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 12703345 - 2¹³ = 12695153 is a prime.

It is a super-2 number, since 2×12703345² = 322749948378050, which contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2937 + ... + 5833.

It is an arithmetic number, because the mean of its divisors is an integer number (1908333).

Almost surely, 2^12703345 is an apocalyptic number.

It is an amenable number.

12703345 is a deficient number, since it is larger than the sum of its proper divisors (2563319).

12703345 is an equidigital number, since it uses as much as digits as its factorization.

12703345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3779.

The product of its (nonzero) digits is 2520, while the sum is 25.

The square root of 12703345 is about 3564.1752201596. The cubic root of 12703345 is about 233.3311371675.

Subtracting from 12703345 its sum of digits (25), we obtain a triangular number (12703320 = T₅₀₄₀).

The spelling of 12703345 in words is "twelve million, seven hundred three thousand, three hundred forty-five".