1345697276 has 24 divisors (see below), whose sum is σ = 2936067456. Its totient is φ = 524297520.

The previous prime is 1345697267. The next prime is 1345697299. The reversal of 1345697276 is 6727965431.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2184266 + ... + 2184881.

It is an arithmetic number, because the mean of its divisors is an integer number (122336144).

Almost surely, 2^1345697276 is an apocalyptic number.

It is an amenable number.

1345697276 is an abundant number, since it is smaller than the sum of its proper divisors (1590370180).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1345697276 is a wasteful number, since it uses less digits than its factorization.

1345697276 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4369169 (or 4369167 counting only the distinct ones).

The product of its digits is 1905120, while the sum is 50.

The square root of 1345697276 is about 36683.7467552048. The cubic root of 1345697276 is about 1104.0340243225.

The spelling of 1345697276 in words is "one billion, three hundred forty-five million, six hundred ninety-seven thousand, two hundred seventy-six".