1342688 has 12 divisors (see below), whose sum is σ = 2643480. Its totient is φ = 671328.

The previous prime is 1342669. The next prime is 1342697. The reversal of 1342688 is 8862431.

It is a super-2 number, since 2×1342688² = 3605622130688, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (32), and also a Moran number because the ratio is a prime number: 41959 = 1342688 / (1 + 3 + 4 + 2 + 6 + 8 + 8).

It is an Ulam number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20948 + ... + 21011.

It is an arithmetic number, because the mean of its divisors is an integer number (220290).

2^1342688 is an apocalyptic number.

It is an amenable number.

1342688 is a deficient number, since it is larger than the sum of its proper divisors (1300792).

1342688 is an equidigital number, since it uses as much as digits as its factorization.

1342688 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41969 (or 41961 counting only the distinct ones).

The product of its digits is 9216, while the sum is 32.

The square root of 1342688 is about 1158.7441477738. The cubic root of 1342688 is about 110.3210455572.

The spelling of 1342688 in words is "one million, three hundred forty-two thousand, six hundred eighty-eight".