1214650697 has 8 divisors (see below), whose sum is σ = 1385031816. Its totient is φ = 1055261952.

The previous prime is 1214650687. The next prime is 1214650739. The reversal of 1214650697 is 7960564121.

It can be written as a sum of positive squares in 4 ways, for example, as 485056576 + 729594121 = 22024^2 + 27011^2 .

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 1214650697 - 2⁴ = 1214650681 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1214650687) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2747858 + ... + 2748299.

It is an arithmetic number, because the mean of its divisors is an integer number (173128977).

Almost surely, 2^1214650697 is an apocalyptic number.

1214650697 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

It is an amenable number.

1214650697 is a deficient number, since it is larger than the sum of its proper divisors (170381119).

1214650697 is a wasteful number, since it uses less digits than its factorization.

1214650697 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5496187.

The product of its (nonzero) digits is 90720, while the sum is 41.

The square root of 1214650697 is about 34851.8392197600. The cubic root of 1214650697 is about 1066.9657236446.

The spelling of 1214650697 in words is "one billion, two hundred fourteen million, six hundred fifty thousand, six hundred ninety-seven".